The design is just beautiful. The processing of this Sleeves leaves nothing to be desired, because every seam fits perfectly and the zipper is stable. Unfortunately, the size is a little tight. I have a Unibody MacBook Pro 15 "stored in the fact that just barely fits. While this is OK, but definitely does not fit the words" to 39.1 cm ", because the device is only 36.4 cm wide and very thin. A larger notebook, I would definitely not put it in this envelope. Then rather the model of built for 16 "devices.